hdu 1075 What Are You Talking About（map）

#include<iostream>
#include<stdio.h>
#include<string.h>
#include<map>
using namespace std;

map<string,string>mp;

int main(){
    string s1,s2;
    char c;
    cin>>s1;
    while(cin>>s1){
        if(s1=="END")break;
        cin>>s2;
        mp[s2]=s1;
    }
    cin>>s1;
    getchar();
    while(1){
        s1="";
        while(1){
            scanf("%c",&c);
            if(c<'a'||c>'z')break;
            s1+=c;
        }
        if(c=='E')break;
        if(mp.find(s1)==mp.end())cout<<s1;
        else cout<<mp[s1];
        printf("%c",c);
    }
    return 0;
}